| <!doctype HTML> |
| <html class="reftest-wait"> |
| <meta charset="utf8"> |
| <title>Content Visibility: hidden iframe</title> |
| <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> |
| <link rel="match" href="content-visibility-020-ref.html"> |
| <meta name="assert" content="content-visibility hidden iframe does not paint"> |
| |
| <script src="/common/reftest-wait.js"></script> |
| |
| <style> |
| div { |
| background: blue; |
| color: white; |
| } |
| .hidden { |
| content-visibility: hidden; |
| } |
| </style> |
| |
| <div>Test passes if the word “FAIL” does not appear below and if there is no red.</div> |
| <iframe id="frame" width=400 height=200 srcdoc=' |
| <style> |
| div { |
| background: red; |
| } |
| </style> |
| <div>FAIL</div> |
| '></iframe> |
| <div>Test passes if the word “FAIL” does not appear above and if there is no red.</div> |
| |
| <script> |
| async function runTest() { |
| document.getElementById("frame").classList.add("hidden"); |
| requestAnimationFrame(takeScreenshot); |
| } |
| |
| window.onload = () => { |
| requestAnimationFrame(() => { |
| requestAnimationFrame(runTest); |
| }); |
| }; |
| </script> |
| </html> |